- There are many derivatives of these amino acids,but N-acetyl-L-cysteine,gluthathione and adenosylmethionine are very useful.
- The character and use of adenosylmethionine were in troduced in the article,especially the different way to break cell for releasing SAM were investigated .
- adenosylmethionine decarboxylase
- glutaminyl-tRNA cyclotransferase
- The study on releasing adenosylmethionine by breaking yeast